 | 1990 |
|---|
| 4 |       | Joseph A. Wald,
Paul G. Sorenson:
Explaining Ambiguity in a Formal Query Language.
ACM Trans. Database Syst. 15(2): 125-161 (1990) |
| 1988 |
|---|
| 3 |  | Joseph A. Wald:
Implementing Constraints in a Knowledge Base.
Expert Database Conf. 1988: 163-183 |
| 1984 |
|---|
| 2 | | Joseph A. Wald,
Paul G. Sorenson:
Resolving the Query Inference Problem Using Steiner Trees.
ACM Trans. Database Syst. 9(3): 348-368 (1984) |
| 1977 |
|---|
| 1 | | Paul G. Sorenson,
Joseph A. Wald:
PICASSO - An Aid to an End-User Facility.
SIGMOD Conference 1977: 30-39 |
